The resort’s large outdoor pool has waterfalls, barrier-free beach-style entry, a spa tub, and sundecks. Poolside cabanas are used for massage services.

The poolside Gumbo Limbo Tiki Bar serves frozen specialty drinks and light fare. The Palm Haven showcases island cuisine and fresh local seafood, with dining indoor or out on the veranda.

Doubletree Grand Key Resort has 216 air-conditioned guestrooms, decorated in an airy, West Indies cottage style. Wireless and wired high-speed Internet access are complimentary. Guests can print directly from their rooms to the business center.